Letter to Pythocles
The letter considers eclipses, lunar phases, thunder, winds, comets, and other phenomena. It denies that an impressive event establishes divine intervention. Several natural explanations may remain admissible when observations cannot decide between them.
Understanding the text
Transmitted under Epicurus’ name, this summary may preserve school compilation. Its debated status does not diminish its importance for understanding Epicurean physical method.
Outline of celestial phenomena, Diogenes Laertius X.84–116; composition and direct authorship are debated.
Key points
- 01
Several possible causes
Retaining hypotheses consistent with appearances avoids turning a supposition into certainty. This caution follows from the limits of observation.
- 02
Inquiry with a purpose
Studying the heavens should release us from fear. An explanation that reintroduces divine threat would miss its philosophical purpose.
- 03
Earthly analogies
Familiar phenomena supply models for distant events. Reasoning proceeds through comparisons, without the instruments available to modern astronomy.
How to read it
Choose one phenomenon and separate observation, possible explanations, and their effects on fear; plurality does not make every hypothesis acceptable.
Editions & sources
- Consult the reference 1perseus.tufts.edunew tab
- Consult the reference 2raw.githubusercontent.comnew tab
- Consult the reference 3plato.stanford.edunew tab
Summaries and key points are original editorial interpretations. They accompany reading the work and do not replace an edition of the text. Editorial method ↗